(19)

(11)

EP 0 174 938 A1

(12)

(43) Date of publication: 26.03.1986 Bulletin 1986/13 (21) Application number: 85900893.0 (22) Date of filing: 17.01.1985

(51) International Patent Classification (IPC):  C11B 3/ 02( . ) C05F 7/ 00( . ) C11B 13/ 02( . ) C05F 5/ 00( . ) C05G 1/ 06( . ) (86) International application number: PCT/US1985/000078 (87) International publication number: WO 1985/003285 (01.08.1985 Gazette 1985/17)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 18.01.1984 US 19840572202 31.01.1984 US 19840575455 (71) Applicant: DANIELS, Ralph S. Worcester, MA 01602 (US)	(72) Inventor: DANIELS, Ralph S. Worcester, MA 01602 (US) (74) Representative: Lynd, Michael Arthur, et al  STANLEY, POPPLEWELL, POOLE 57 Lincoln's Inn Fields London WC2A 3LS London WC2A 3LS (GB)